But he thought again, ‘This house has only one gate [doorway]. Worse still, the gate is narrow and small.’

This is the fourth segment. He wants to offer the happiness of the three carts later. He first tells them about the frightening and dreadful happening in the house in order to terrify them. [The place] where various delusions are concealed is the “house.”

The doorway to [the Buddha’s] teaching is dark and deep. Those who have traveled to enlightenment are very few; few have advanced toward the doorway.